It's when a guy is fucking a girl in the ass, then goes to her pussy, and finishes in her mouth.
Tyrone gave Sheniqua a peanut butter shake after he found out she was cheating on him.
by SixtyEighter September 06, 2015
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A prank where you accidentally or intentionally get shit on your fingers (see Peanut Butter Fingers) then shake the hand of a friend (or enemy)
To get even with my ole buddy Brian I believe I'll give him a Peanut Butter Hand-Shake
by nibbles1969 February 12, 2015
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1. Abbreviation of “Penis, nut, and shake” referring to the male orgasm

2. The act of procreation
At the end of the day, we’re all just the leftovers of a Peanut shake.”
by Lil_moobey April 30, 2020
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